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From: David Teigland <teigland@redhat.com>
To: cluster-devel.redhat.com
Subject: [Cluster-devel] [PATCH 5/5] gfs2: dlm based recovery coordination
Date: Thu, 5 Jan 2012 12:13:47 -0500	[thread overview]
Message-ID: <20120105171347.GC22610@redhat.com> (raw)
In-Reply-To: <1325782702.2690.47.camel@menhir>

On Thu, Jan 05, 2012 at 04:58:22PM +0000, Steven Whitehouse wrote:
> > +	clear_bit(SDF_NOJOURNALID, &sdp->sd_flags);
> > +	smp_mb__after_clear_bit();
> > +	wake_up_bit(&sdp->sd_flags, SDF_NOJOURNALID);
> > +	ls->ls_first = !!test_bit(DFL_FIRST_MOUNT, &ls->ls_recover_flags);
> > +	return 0;
> > +
> 
> This bit of code, which was correct last time you posted this patch
> appears to have reverted to its previous incorrect state. ls_first must

Thanks, I'll move it back, I removed ls_first and put it back in the wrong
place.  I keep forgetting about it because...

> be set before SDF_NOJOURNALID is cleared, otherwise the uninitialised
> value may be read,

in this case there can be no other reader, so it doesn't matter.

Dave



  reply	other threads:[~2012-01-05 17:13 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-05 16:46 [Cluster-devel] [PATCH 5/5] gfs2: dlm based recovery coordination David Teigland
2012-01-05 16:58 ` Steven Whitehouse
2012-01-05 17:13   ` David Teigland [this message]
2012-01-09 16:36 ` Steven Whitehouse
2012-01-09 16:46   ` David Teigland
2012-01-09 17:00     ` David Teigland
2012-01-09 17:04       ` Steven Whitehouse
2012-01-09 17:02     ` Steven Whitehouse
  -- strict thread matches above, loose matches on Subject: below --
2011-12-16 22:03 David Teigland
2011-12-19 13:07 ` Steven Whitehouse
2011-12-19 17:47   ` David Teigland
2011-12-20 10:39     ` Steven Whitehouse
2011-12-20 19:16       ` David Teigland
2011-12-20 21:04         ` David Teigland
2011-12-21 10:45           ` Steven Whitehouse
2011-12-21 15:40             ` David Teigland
2011-12-22 21:23     ` David Teigland
2011-12-23  9:19       ` Steven Whitehouse
2011-12-19 15:17 ` Steven Whitehouse
2012-01-05 15:08 ` Bob Peterson
2012-01-05 15:21   ` David Teigland
2012-01-05 15:40     ` Steven Whitehouse
2012-01-05 16:16       ` David Teigland
2012-01-05 16:45 ` Bob Peterson

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